[1] Ando Rie Kubota, Zhang Tong. A framework for learning predictive structures from multiple tasks and unlabeled data[J]. Journal of Machine Learning Research, 2005, 6: 1817-1853. [2] Ando Rie Kubota, Zhang Tong. High performance semi-supervised learning for text chunking//Kevin Knight. Proceedings of the 43rd Annual Meeting on Association for Computational Linguistics. Michigan: , 2005: 1-9. [3] 白雪, 张韬政, 何赛克, 等. 基于ASO的汉语语块分析//中国人工智能学会第13届年会. 北京: 北京邮电大学出版社, 2009. [4] Zhang Taozheng, Wang Xiaojie, Tong Hui. Researches on combinations of auxiliary problems in ASO (alternating structure optimization) algorithm//Qi Luo. Proceedings of 2010 Third Pacific-Asia Conference on Web Mining and Web-based Application. Guilin: , 2010: 183-190. [5] Saike He, Zhang Taozheng, Bai Xue, et al. Incorporating multi-task learning in conditional random fields for chunking in semantic role labeling//Proceedings of 2009 IEEE International Conference on Natural Language Processing and Knowledge Engineering (IEEE NLP-KE09). Dalian: , 2009: 47-51.